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A particle is projected with speed 30m//...

A particle is projected with speed `30m//s` at angle `22.5^(@)` with horizontal from ground as shown. `AB` and `CD` are parallel to y-axis and `B` is highest point of trajectory of particle. `CD//AB` is

A

3

B

`3//2`

C

2

D

4

Text Solution

Verified by Experts

The correct Answer is:
D

`AB=1//2g(T//2)^(2)=1//8T^(2)`
`CD=1//2gT^(2)`
`CD//AB=4`
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